OSHA oxygen level test for masks June 20 2020

First published at 08:14 UTC on July 2nd, 2020.

If you don't have a brain, this information is not for you. The New England Journal of Medicine states in the following article, "We know that wearing a mask outside health care facilities offers little, if any, protection from infection. …

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CategoryHealth & Medical
SensitivityNormal - Content that is suitable for ages 16 and over
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